Home » KnowledgeCenter » Guidelines » MIL-STD-883 method 2004.7 – Lead integrity » MIL-STD-883 method 2004.7 – Test condition C2: Stud Torque
This test is designed to check the resistance of the device with threaded mounting stud to the stress caused by tightening the device when mounting.
The torque test requires suitable clamps and fixtures, and a torsion wrench or suitable method of applying the specified torque.
The device shall be clamped by its body or flange. A flat steel washer of a thickness equal to six thread pitches of the stud being tested and a new class 2 fit steel nut shall be assembled in that order on the stud, with all parts clean and dry. The specified torque shall be applied without shock to the nut for the specified period of time. The nut and washer shall then be disassembled from the device, and the device then examined for compliance with the requirements.
The device shall be considered a failure if any of the following occurs:
The following details shall be specified in the applicable acquisition document:
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